Explanation of Responses:
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(1)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $512.33 - $513.17. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(2)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $513.20 - $513.93. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(3)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $514.17 - $515.15. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(4)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $517.15 - $517.36. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(5)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $518.22 - $519.11. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(6)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $519.29 - $520.01. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(7)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $520.36 - $521.33. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(8)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $521.42 - $522.28. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(9)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $522.51 - $523.48. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(10)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $523.51- $524.49. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(11)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $524.70 - $525.52. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(12)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $526.11 - $527.06. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(13)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $527.14 - $528.08. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(14)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $528.16 - $529.14. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(15)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $529.18 - $530.08. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(16)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $532.37 - $533.20. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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(17)
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Price reported constitutes the average weighted price of shares sold. Shares were sold at varying prices in the range of $534.77 - $534.89. The reporting person hereby undertakes, upon request of the Commission, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
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